3.16 Axis couplings
3.16.1 Coupled motion (TRAILON, TRAILOF)
When a defined leading axis is moved, the coupled motion axes (= following axes) assigned to
it traverse through the distances described by the leading axis, allowing for a coupling factor.
Together, the leading axis and following axis represent coupled axes.
Applications
● Traversal of an axis by means of a simulated axis. The leading axis is a simulated axis and
the coupled axis a real axis. In this way, the real axis can be traversed as a function of the
coupling factor.
● Two-sided machining with two coupled motion groups:
1. leading axis Y, coupled motion axis V
2. leading axis Z, coupled motion axis W
W
V
Z
Y
X
Axis
Axis
Axis
Axis
Axis
Syntax
TRAILON(<following axis>,<leading axis>,<coupling factor>)
TRAILOF(<following axis>,<leading axis>,<leading axis 2>)
TRAILOF(<following axis>)
Meaning
TRAILON: Command for activating and defining a coupled axis grouping
Effective: Modal
<following axis>: Parameter 1: Axis name of trailing axis
Note:
A coupled-motion axis can also act as the leading axis for other coupled-
motion axes. In this way, it is possible to create a range of different coupled
axis groupings.
<leasing axis>: Parameter 2: Axis name of trailing axis
Work preparation
3.16 Axis couplings
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 891